Perforating machine



March 3, 1936. c. D. LAKE PERFORATING MACHINE Filed Aug. 9, 1933 7Sheeis-Sheet 1 INVENTOR /I;

ATToRN March 3, 1936. 'c. D. LAKE PERFORATING MACHINE Filed Aug. 9, 19537 Sheets-Sheet 2 N3 m! Gu mdE March 3, 1936. c 11 LAKE PERFORATINGMACHINE Filed Aug. 9, 1953 '7 Sheets-Sheet 3 March 3, 1936. c. D. LAKEPERFORATING MACHINE Filed Aug. 9, 1953 '7 Sheets-Sheet 4 INVENTOR 4%,w/zA

ATTORNEY c. D. LAKE 2,032,805

PERFORATING MACHINE Filed Aug. 9, 1953 '7 Sheets-Sheet 5 March 3, 1936.

G Q mm E a -1 F ON- mmmmmmmnmammmm QmQQQQaQOQmQQ mt v w ATTORN EY March3, 1936. c. D. LAKE PERFORATING MACHINE Filed Aug. 9, 1933 7Sheets-Sheet 6 March 3, 1936. c, LAKE PERFORATING MACHINE Filed Aug. 9,1955 '7 Sheets-Sheet 7 NTO ATTORNEY mall? mowoE I Patented Mar. 3, 1936UNITED STATES PATENT orrics International Business Corporation, NewYork, N. 1., a corporation of New York Application August 9, 1933,Serial No. 685,870

28 Claims. (Cl. 184-115) This invention relates to devices forperforating record cards. More specifically the invention is concernedwith improved devices for reproducing and gang punching record cardsunder control of other perforated cards.

An object of the invention is to provide card feeding and punchingdevices capable of operation at high speed for reproducing and gangpunching perforated record cards. The punches are arranged in a singleline across the length of the record card so that only twelve steps ofmovement are needed to completely punch a card, regardless of thecolumnar capacity. A Geneva drive gear feeds the cards with intermittentand gradually accelerated movement.

Another object of the invention is to devise class selection devices forcontrol of the punching devices so that data of a certain class on theoriginal cards may be punched in a different field or eliminated intransferring the data to the blank cards. The classification of the dataon the original or master cards is denoted by the presence or absence ofa special perforation. The special perforation in an original card mayalso control selective punching in fields not receiving master orpattern card data but adapted to receive fixed data controlled by timedcam contacts which are closed as a certain index point on the blank cardpasses the punches. The special perforation controls operation ofconnections between the contacts and punches. Thus, one or more zeroperforations or other index point perfora-tions may be selectivelypunched in any column or columns of a blank card under control of 5timed contacts and a special class selection perforation in an originalcard.

Another object of the invention is to provide devices for checking orverifying the perforations in the punched cards to make sure that theyagree with the data on the original record cards.

If there is a disagreement in the perforations,

the machine stops and a light flashes to indicate the error to theoperator of the machine.

When the machine is conditioned for reproducing, the record cards arefed in synchronism from two feed hoppers. An interlock prevents startingof the machine until cards are in both hoppers. The one hopper containsthe pattern or original cards which are already perforated .39 and theother hopper holds the blank cards which are to be perforated tocorrespond to the original cards. As they are fed from the hoppers, apattern card and an associated blank card are simultaneously placed inrelated feeding rollers 55 and then moved along concurrently and in syn-REISSUED chronism, the blank card having an intermittent movement. Thepattern card passes a sensing station and the blank card passes apunching station. The cards are of the regular Hollerith form and arefed laterally across the 5 short width with the twelve index pointposition leading so that if a class selection or other control functionis to be exercised by a special hole in the eleven or twelve position,the punching may be controlled as it follows thereafter. 10 The blankcards pause momentarily at each index point position so that if aperforation is to be reproduced, the punch has time to penetrate andwithdraw from the punched card. The intermittent motion of the card isbrought about 15 by the use of a Geneva step motion gearing connected tothe card feeding rollers.

The blank card is drawn under a single line 'of punches, there being onepunch for each column of index points on the card, the card moving to 20bring the various digit index positions successively under the punches.At the same time that the blank card is passing under the single line ofpunches, the pattern card is passing over a single line of sensingbrushes. Each sensing 25 brush is connected to a magnet for controllinga related punch.

The pattern card is sensed at each line of index points and if aperforation appears, a circuit is established through one of the punchcontrol 30 magnets the armature of which is connected by a call wire toan interposer pawl articulated on the end of a punch plunger. The pawlhas a shoulder normally out of the path of a positive actuator which isreciprocated as each index point is sensed. If the pawl is selected, ittends to engage the actuator and does so when the actuator lowers out ofthe way of a cam face on the pawl. Another cam face on the pawlcooperates with a stationary bar to hold the pawl positively intoengagement with the actuator during the punching and retractingmovement.

The first line of index points sensed on the pattern card may contain aspecial perforation to exercise the special controls of class selection,class elimination or field selection of the data to be reproduced. Forexample, in class selection, data on one field of the pattern card maybe directed toeither of two fields on the blank card according to theclassification of the data. The classification is denoted by thepresence of the special hole which controls the shifting of contacts tochange the direction of data to another field on the blank card. Inclass elimination, data on the pattern card may be directed to the blankcard by closed contacts or eliminated by opening said contacts accordingto the classification of the data. The presence of a special perforationmay serve to open or close such class elimination contacts. In fieldselection, data on either of two fields on the pattern card may beselected and directed to one field on the blank card according to theclassification of the data.

The punched cards may be checked or verified to make sure they agreewith the pattern. For this purpose, the pattern and punched cards enterchecking sensing stations after passing through the respective sensingand punching stations. The cards are fed in synchronism, with line afterline of index points passing over the two lines of checking sensingbrushes. When perforations fail to coincide, the machine is stopped anda light indicates the error to the operator. The class selected data mayalso be checked.

The punching and checking stations through which the blank cards passmay be used for gang punching. A perforated master card is placed at thebottom of the hopper beneath a bunch of blank cards which are to receivethe data on the master card. Then the master card is fed under the punchand over to the sensing station. The

' first blank card following the master card is fed under the line ofpunches as the master card moves in synchronism over the sensingbrushes. The punches are operated under control of the sensing brushesto punch the blank card as a duplicate of the master card. Thisoperation continues as the following cards feed, the cards being punchedsuccessively to correspond with the preceding card. A number of mastercards may be interspersed between the blank cards for successive gangpunching operations of more than one group-of cards. For such use themaster card has a spe cial perforation which control devices fordisabling punching between groups while the incoming master card passesunder the punches and over to the sensing brushes.

The field selection controls described hereinafter as applied duringreproducing may also be effected during gang punching. Then a specialperforation in the master card directs the perforated data in a selectedfield on the master card to the proper field on the following gangpunched cards.

The machine may be conditioned for combined gang punching andreproducing control. Then the blank cards are adapted to be perforatedwith data from two sources, the master card which precedes them and thepattern cards which accompany them. Several groups may be gang punchedwith continuous feeding without stopping when encountering eachinterspersed master card. This is possible because when a master card isencountered at the front of the punching station, control is exercisedby a special perforation therein to hold up the feeding of the patterncards for one cycle to allow the master card to proceed to the sensingstation before combined punching is continued. During operation undercombined control, checking may be done on the reproduced portion of theperforated records.

The special perforations in the pattern and master cards may bereproduced, transferred or eliminated in the control of punching recordcards. Regular data perforations may appear in the same column with thespecial perforation 0n Pflttem or master card, and these perforationsmay also be selectively reproduced, separately transferred oreliminated. Connected with the devices sensing the column containing thespecial perforation are contacts which close one line and open anotheras the sensing means passes from the two special index positions to theregular numeral data positions on the record cards. These lines may beconnected to any column positionin the punch or disconnected therefrom.

Another feature of the invention is the checking of class selectedperforations in the record cards. Even though the record cards may beperforated in either of two fields under control of a single field onthe pattern cards, the checking devices are adapted to switch theconnection to the sensing brushes cooperating with the proper perforatedfield and thereby check the class selected perforations with theoriginal perforations in the pattern card.

Another improvement is in the means for stopping the machine when cardfeeding fafls in either hopper, and the automatic selective operation offeeding only in that hopper, on depression of a start key, until a cardis fed.

. These and other objects of the invention will be noted as thespecification continues with reference to the which accompany and formpart of the specification.

In the drawings:

' Fig. 1 is a diagrammatic view showing the arrangement of sensing,punching and checking stations, and the card hoppers and stackers of themachine.

Fig. 2 is a side elevation view of the machine.

Fig. 3 is a sectional elevation view of the machine showing the feeding.sensing and perforating devices.

' Fig. 4 is a plan view of the machine.

Fig. 5 is a sectional elevation view taken along line 5-4 in Fig. 4 andshowing a portion of the driving mechanism including the Geneva stepmotion gear.

Fig. 6 is a sectional elevation view of the punch showing the plunger ina depressed position.

Fig. '7 is an elevation view of a line of punches and the associateddriving mechanism.

Fig. 8 is a detail view of a portion of a record card.

Fig. 9 is a detail view of the punch feed clutch shaft with the drivinggears, the clutch and the complementary cams mounted thereon.

Figs. 10A and 10B taken together form a wiring diagram of the machine.

A general idea of the operation of the devices of the present inventionmay be gathered by observing the diagrammatic view shown in Fig. 1.There it is noted that there are a number of pattern cards ill in thehopper R. and another bunch of blank record cards II in the hopper P.The cards are fed singly but concurrently from both hoppers and are thenshifted in synchronism across sensing and punching stations before beingdeposited in stackers i2 and IS.

The pattern card l0 encounters first a master sensing brush ll, then aset or line of sensing brushes I5, and then a series of checking brushesIS. The record cardii passes a master brush N, then a line of punches l8and then the set of checking brushes I9.

The brush i4 cooperates with a special perfora- The brush I1 is used forfield selection of gang punching and also for control of suspension ofpattern card feeding when operating for combined gang punching andreproducing.

There are electrical connections between the brushes l5 and the punchesll, so that when a perforation is sensed in a pattern card II acorresponding perforation is punched in the related record card ll.

As the cards pass the first sensing and punching stations, they enterthe checking sensing stations. The pattern card It is sensed by checkingbrushes It at the same time that the related record card I l is sensedby checking brushes It. If the perforations in both do not agree, themachine is stopped and a lamp lights to indicate the error to theoperator.

When the machine is used for straight gang punching, only the section ofthe machine to the right of hopper P, Fig. 1, is used. A prepunchedmaster card is placed at the bottom of the hopper P and fed from thereunder the punches i8 and over to the brushes H. For gang punching, thesechecking brushes have a function other than checking. They haveelectrical connections to the punches l8, and when a perforation issensed in a master card or a card ll following thereafter, the nextfollowing blank card is perforated by punches It to duplicate the dataon the preceding card. In this way an entire group of cards II is gangpunched under control of the leading master card.

When it is desired to gang punch a plurality of groups of cards, anumber of master cards are interspersed in the blank record cards II inhopper P. The operation that follows is substantially the same as with asingle group, the only difference in operation occurring when aninterspersed master card passes under the punches l3. Such a card shouldnot be punched under control of the preceding card II which is at theend of the preceding group. For this purpose the separate brush i1 isadapted to sense master cards and prevent punching until the master cardis over the sensing brushes l9.

For combined reproducing and gang punching operation both sections ofthe machine are used. The cards I l are operated upon as describedhereinbefore, the only difference being that a number of the punches I8are controlled by the pattern card I and brushes 15, while others of thepunches l8 are controlled by the gang punching master card and brushesl3. When operating in this way, only certain of the brushes l and I9 maybe used for checking the reproduced portion of the perforated data.

Fig. 8 shows a portion of a perforated card. Such a card may act as apattern card or a master card. It is noted that the card is perforatedwith the number 648. It also contains a special perforation or R hole atthe twelve position in the 7th column. Other special perforations knownas X holes may be punched at the eleven index position in any column ofthe card.

There are usually 45 or 80 columns of index points on a card. In thepresent machine the card is sensed while being fed laterally in linewith the column of index points. Therefore only twelve sensingoperations are needed to completely sense a card instead of theforty-five 0r eighty sensing operations necessary when feeding the cardin the longitudinal direction.

ordate. Buchagroupofcolumnsmaybesaid to constitute a field of data onthe card.

Although a Bollerith' type card is shown with a single digit perforationin each column, it may be pointed out that the machine is capable ofoperating to sense and punch combinational hole records wherein two ormore perforations appear in a column. In other words. should fiveperforations appear in a single column on an original record, they wouldbe reproduced or gang punched in the duplicate.

Where the terms "record card col and index points appear in the claims,it will be understood that they mean that the record card is dividedinto parallel columns (as illustrated in Fig. 8) each column having nineor more different positions or index points. Each index point representsa different value by virtue of its location from a reference edge of thecard, so that when a perforated card is analyzed by passing it through atabulating machine in a columnar direction, or analyzed at rest, theindex points will control associated representing devices. The term"record card column containing index points is, therefore, defined as acard column containing a series of different index points having varyingcontrol functions by virtue of their differential locations in thecolumn.

Turning now to driving connections of the machine, it is noted that inFig. 2 a motor M is mounted above the base 20 of the machine which alsocarries a pair of main side frames 2| and 22. The motor is connected bya driving belt 23 to a pulley 24 on a shaft 25, Fig. 5, mounted onhearings in the frame 2| and in a gear cover 42,

. Fig. 7. Fixed to the shaft 25 is a gear 25 which serves to drive thecontinuously running devices of the machine.

Speed reduction gearing is placed between the gear 25 and the cardfeeding mechanism. The gear 26, Fig. 5, meshes with a large gear 21 towhich is attached a small gear 23, both being secured to a shaft 29between frame 2i and a cover 42, Fig. 4. The small gear meshes with alarge punch clutch driving gear 30, Figs. 2 and 9, which is pivoted on apunch feed drive shaft 3| and attached to another driving gear 32. Fig.9 shows the mounting of the drive shaft 3! on bearings in frame 2| andin cover 42 secured to the frame.

Gear connections are provided between the punch clutch under the hopperP and another clutch under the hopper R, so that cards may be fed insynchronism from both hoppers. The gear 32, Fig. 2, meshes with anothergear 33 pivoted at 34. This gear 33 in turn meshes with a similar gear35 pivoted at 35. Gear 35 meshes with a reproducer clutch driving gear31 on shaft 38.

The gear 3! drives a gear 39 attached to a shaft 40. Thus this shaft isgiven a continuous movement. It is used as a mounting for a number ofcams cooperating with the cam contacts ClClll, mentioned hereinafter,and also as a mounting for an impulse distributor wheel 4| shown in Fig.103 as an actuator for contacts Cl5.

Attached to the gear 31 is a clutch disk 43 Figs. 3 and 4, with a notch44. Cooperating with the notch is a pawl 45 mounted at 46 onan arm 41attached to shaft 38. One end of the pawl is engaged by an armaturelatch 48 pivoted at 49 and the other end of the pawl is formed with anextension 50 adapted to fall into notch 44. A spring 5| normally holdsthe armature latch 48 into engagement with pawl 45, but when theassociated magnet RCM is energized, the latch is moved away from thepawl, which then connects the shaft 38 to the driving gear 31.

The shaft 38 is provided with an eccentric 52 for operating card feedpicker slides 53. Encircling the eccentric is a strap 54 which receivesa reciprocating motion for each rotation of shaft 38. The strap 54 isformed with an ear pivotally attached to an arm 55 attached to a shaft56 which also carries a pair of gear sectors 51. The sectors mesh withteeth on the bottom of picker slides 53 forming a driving connectiontherewith. The slides carry a projecting picker knife 58 which isadapted to engage the bottom card in the hopper.

It is apparent from the described connections in the reproducer clutchthat when the magnet RCM is energized the picker knife 58 is moved tothe right, Fig. 3, bringing the bottom pattern card I0 in the hopper R.over into cooperation with feeding rollers 59 and 80. There is such afeeding action for each cycle of operation when reproducing.

The feeding rollers 59 and 60 are driven by a gear 6| Figs. 2 and 4, onshaft 38 in mesh with a gear 52 on roller 59. A smaller gear 63 onroller 59 cooperates with a similar gear 54 on roller 50 so that bothrollers are turned simultaneously but oppositely. The rollers extendacross the machine between the side frames. The roller 59 is slotted atvarious column positions to permit the proper placement of the masterbrush I4 in any position. When turning they draw a card from the hopperand feed it to the right, Fig. 3, between the brushes I4 and I5, andover into other feeding rollers 65 and 66 the driving of which isdescribed hereinafter.

The contact roller 262 associated with brushes I5 is driven by gearconnections from feed roller 59. The gear 63 on roller 59 meshes with anidler gear 51 which in turn meshes with a gear 68 on contact roller 262.

The punch clutch under hopper P is operated when connections areestablished between shaft 3|, Figs. 2, 3 and 9, and the driving gear 30.Attached to gears 30 and 32 is a notched disk 69, Fig. 9, loose on shaft3I. Adjacent the disk is an arm I0 secured to shaft 3| and carrying aclutch pawl II pivoted thereon. The pawl has an extension adapted to fltinto the notch in disk 69 and is urged to engage the disk by a springI3. However, the pawl is held disengaged by an armature latch I4, Fig.2, which engages an extending arm on the pawl. When the punch clutchmagnet PCM is energized, the associated armature is attracted and latchI4 is rocked to the left, Fig. 2, about pivot 15, releasing pawl II andconnecting shaft 3I to the driving gears.

When the shaft 3I is operated, three driving devices carried thereon aremade effective to actuate various card feeding means. A pair ofcomplementary cams I5, 11, Fig. 9, serve to drive the card pickermechanism. A gear I8 drives the checking station feed rollers, andanother set of complementary cams I9 and act to release a clutchconnection in the Geneva gear drive.

A two armed lever 8|, Figs. 4 and 5, on shaft 82 carries a pair ofrollers cooperating with the related cams I6 and 11. Also attached tothe shaft 82 are sector arms 83, Fig. 3, with gear teeth that mesh withracks on the picker slides 84. A knife edge attached to the slide isadapted to engage the bottom card in hopper P and move the card totheright, Fig. 3, when the picker slide 83 is reciprocated by the cams I8,I1 on shaft 3|.

The card feed rollers on the sides of checking brushes I 8, Fig. 3, areactuated by gear I8, Figs. 2 and 9, each time the punch clutch isoperated. The gear I8, Fig. 2, meshes with a gear 85 which is. mountedon the same stud 34 with gear 33. Gear 85 meshes with a gear 81 attachedto the feed roller 88. Another gear 89 on feed roller 88 meshes with agear 90 attached to the shaft 9| which carries the cams for operatingthe cam contacts PI-P2. Gear 90 meshes with a gear 92 attached to thefeed roller 65 which also carries a small gear 93 in mesh with a similargear 94 on the associated roller 66. A small gear 95 on roller 88 drivesa similar gear 96 on the associated roller 91. An idler gear 98 mesheswith gear 93 and drives the contact roller 28I through a gear 99 mountedthereon. Another idler gear I00 meshes with gear 95 and serves to drivea pinion IOI mounted on a card deflecting eject roller I02.

-There are connections from the driving gear 26, Fig. 2, to the punchfeeding rollers I 03, I04, I05 and I06, Fig. 3, for feeding cards underthe punch plungers I8. A roller I01, Figs. 5 and 7 on a stud extendingfrom the gear 26, forms a means for driving a Geneva step motion gearI09 with an intermittent movement.

The stud is adjustably mounted in a slot in gear 25. The notched gearwheel I09 turns on a short stud IIO adapted to rotate in frame 2I, butis locked in each position by the cooperation of a concentric formationIII at the end of each radial extension with a hub II2 on shaft 25. Theroller I0'I moves idly for the greater part of the arc about shaft 25 ina counterclockwise direction, Fig. 5, until it engages in one of theslots I I3 in gear I09. The gear is moved with a gradually acceleratedand then gradually retarded motion which is stopped as the roller slipsout of the slot. The gear is released for each step of movement by adepression H4 in the side of the hub H2. The depression is presentedonly when the roller I 01 is in position to drive the gear.

A clutch connection is provided between the Geneva gear wheel I09 andthe feed rollers so that feeding may be prevented when cards are not tobe punched. In Figs. 5 and '7 it is shown that a notched disk H5 isloose on the stud IIO carrying wheel I09. Adjacent the disk is a plateIIB which is split at one side where it is clamped to the stud IIO by ascrew 1. The plate is adjustably positioned on the shaft by a pair ofset screws II8 which are threaded in the plate and extend intocooperation with a tongue I I9 cut in the shaft. A clutch pawl I 20 ispivoted at I2I on the plate H5. The pawl is spring urged to bring anextension I22 thereon into cooperation with the notch in disk II 5. Anextending arm I23 on the pawl I20 cooperates with a roller I24 on theend of a lever I25 pivoted on stud I26. The horizontal portion of leverI25 carries a pair of rollers I2'I which cooperate with thecomplementary cams 19 and 80, Fig. 9, already mentioned. The cams aredesigned so that if the magnet PCM is not energized and the shaft 3i isnot moved, lever I25 is positioned with roller I24 holding pawl I 20 outof cooperation with the driving disk H5.

However, should the magnet PCM be energized, the cams I9 and 80 areturned, lever I25 is rocked permitting the engagement of pawl I20 withdisk H5, and establishing a driving connection beaosasos tween theGeneva wheel I08 and a gear I28 attached to the disk 5.

Th gear I28, Figs. 2 and 5, meshes with two gears I28 and I30 on feedingrollers I03 and I05, Fig. 3, respectively. An idler gear I34, Fig. 2,between gear I30 and another gear I33 forms the driving connections overto the feed roller I3I, Fig. 3, on which gear I33, Fig. 2, is attached.A small gear I35 on roller I03 cooperates with a similar gear I36 onroller I04. The same sort of gear connection is made between gears I31and I38 or rollers I and I06, and between gears I39 and I40 on rollersI3I and I32, respectively.

An idler gear I connects gear I31 to a gear I42 on the contact roller221, Fig. 3. Another idler gear I43, Fig. 2 meshes between gear I39 anda pinion I44 attached to a card deflecting reject roller I45, Fig. 3.

The operation of the various card sensing devices may be described inconjunction with tracing the course of a card through the feed rollers.When a group of pattern cards I0, Fig. 3, are placed in the hopper R,the bottom card depresses the hopper contact lever RHL closing theassociated contacts RHC, Fig. A. Then, when the picker is operated, thebottom card alone is pushed through the throat I62 and placed betweenfeed rollers 59 and 60 which feed the card along between guide platesI46, I41.

As the card enters the sensing station a card lever RCLI is operated. Atthe same time the card passes between the reproducer master card brushI4 and the contact plate 23I. From there the card passes between thebrushes I5 and the contact roller 262 and at the same time operates acard lever RCL2. Common contact brushes 26I mounted in an insulationblock I48 carry the sensing current to the roller 262. The plurality ofsensing brushes I5 are arranged in a single line and held in aninsulation bar I49 which is supported on a pair of frames 305 fixed to arigid bar 306. This bar is removable and carries therewith the entiresensing station comprising brushes I5, plate I41 and frames 305. Theunit is slipped up into place between the main frames and fastened withthumb screws 301. The sensing units carrying brushes I6 and I9 areconstructed in a similar fashion.

The card passes on to the feed rollers 65, 66 which feed it between theguide plates I50 and I5I. A card lever CI-ICL is operated as the cardpasses between checking brushes I6 and contact roller 28I. An insulationblock I52 holds a pair of common contact brushes 280 which contacts theroller 28I.

An insulation bar I53 secured between the side frames holds the line ofbrushes I6. A short distance from the brushes I6, the card is engaged bythe rollers 88 and 91 which eject it. As the card is ejected it isdeflected by the roller I02 so that it is directed into the stacker I2where the cards are supported on the top of a depressible spring plungerI54 slidably mounted in base 20.

The master brush I4 mentioned her'einbefore is adjustable along thelength of the card sensof the bar. An indicating strip I69 on bar I56 ismarked with numerals identifying the various column positions. A holeI60 in frame I65 coincides with one of the numerals when the frame issecured in the related column position. An insulation bar I6I securesthe bar I56 to the rear side of the hopper R.

The blank record cards II and the master cards placed in hopper P followa course through punching and sensing stations before being deposited instacker I3. The cards in the hopper depress the hopper contact lever PHLand close the associated contacts PHC, Fig. 10A. Then, when the picker85 is operated, the bottom card is pushed through the throat I63 andplaced between feed rollers I03 and I04 which feed the card alongbetween the punch master card brush I1 and contact bar 232. As the cardpasses it operates a card lever DCL. The brush I1 is attached to anadjustable frame I64 on a guide bar I65 similar to the frame I55 and barI56 described hereinbefore.

After leaving the master card sensing station, the card is fed between astripper plate I66 and a die plate I61 secured to the main side frames.Then the card enters between feed rollers I 05 and I06 which feed itbetween guide plates I68 and I69 in the punch sensing station. A cardlever PCL is operated as the card passes between sensing brushes I9 andcontact roller 221. An insulation block I10 holds common contact brushes226 into contact with the roller 221. A large insulation bar I1I securedbetween the side frames holds the line of sensing brushes I9 in contactwith roller 221. When the card leaves the brushes I9 it is engaged bythe rollers I3I and I32 which eject it. As the card is ejected it isdeflected by the roller I45 so that it is directed into the card stackerI3.

The selective operation of the punch plungers I8 may be explained withreference to Figs. 3, 4, 6 and 7. In Fig. 6 it is noted that the shaft25 is formed with an eccentric I12 which is encircled by an arm I13. Theupper end of this arm is pivotally connected to an arm I 14 on shaft Iwhich is provided with another pair of arms I16 intermediate the sideframes. Between these arms I16 and a punch operating bail I11 there isprovided an adjustable turnbuckle connection. A threaded rod I18 ispivoted at I19 on arm I16, and another rod I80 is pivoted at I8I on bailI11; both rods being connected by a double ended bolt I82 which isadjustable to vary the position of the bail.

The bail I11 is pivoted on studs I83 in the main side frames and carriesa punch actuating bar I84 which is adapted to cooperate with notches I85 in any of a plurality of selected interposer pawls I86. Each of thepunch plungers I8 has an interposer pawl I86 which is pivotallyconnected thereto by a pin I81. Normally the pawl is held out of thepath of the bar I84 and the plunger is held above the die by a springI88 attached to the pawl. However, when a magnet PM is energized, theassociated pawl is drawn into cooperation with bar I84 and the relatedplunger is depressed to perforate the card.

The armature I89 of the punch controlling magnet PM is mounted on alever I90 pivoted at I9I. The lower end of lever I90 is pivotallyconnected to a call wire I92 the other end of which is pivoted at I93 onpawl I86. A plurality of such connections are made, one to each pawl,the magnets PM being arranged in staggered rows and columns. Thebrackets 30I carry the magnets of one row as a unit, and have arms 902which hold an insulation bar 999 suspended above the magnets to act as aterminal bar. A number of such units may be dropped into the frame 304and connected by call wires I92.

When attracted, the armature I99 swings the lever I90 in acounterclockwise direction, Fig. 6, and draws the wire I92 to the right,urging pawl I86 into cooperation with bar I94. The wires I92 are guidedby a slotted plate I94, and the pawls I96 are aligned by slots in aplate I99 fastened on a supporting bar I96, the plate being used also tosecure one end of springs I89. The edge of bar I96 cooperates with a camface I91 on pawls I86 to hold the selected pawls into cooperation withbar I84 as the bar is lowered.

An extension 295 on a fixed bar I99 cooperates with the upper ends ofthe pawls to cam them in a counterclockwise direction out of engagementwith the ascending bar I94 on the return stroke of the bail. In order topositively hold the pawls in disengaged position, the end of bar I84cooperates with a cam face I99 on each pawl. There is a limit to thedownward motion of the plungers I8 because of the presence of a fixedbar 296 which projects into notches 291 cut in the side of plungers I9.The plungers are guided above the holes in the die I61 by sliding in afixed bar 9I9 and the stripper plate I66.

The operation of punching is timed to occur during the pause in cardfeeding when the Geneva wheel I09 is not in action. The eccentric I12 isplaced on the shaft 29 in such a position that the bail I11 isreciprocated while the roller I01 is out of engagement with wheel I99.As the bail and bar I84'are reciprocated, any of the pawls may be movedover by the call wires until notches I95 engage the end of bar I94. Thenthe connected pawls and plungers are depressed to perforate the card andquickly withdraw therefrom to permit the feeding of the card to continueto the next index position.

The wiring diagram The electrical connections between the devices of themachine may be studied by reference to the wiring diagram shown in Figs.10A and 103. When the switch PS is closed the machine is connected tothe source of electrical energy through the two main lines 209 and 29I.

When it is desired to use the machine for straight gang punching, amaster card is inserted at the bottom of a group of blank cards in thepunch hopper P and all the reproducing switches RSI, RS2, RS3 and EMSare set to the ofl position because the reproducing station is not usedduring this operation. The cards in the hopper P actuate the card leverPI-IL, close contacts PHC and energize magnet M4 through a circuit fromline 200, wire 202, bar 203, magnet M4, wire 204, contacts PHC and wire295 to line 20I. The start key ST is depressed and a circuit may betraced from line 200, wire 206, magnet MRM, wire 201, magnet MI, contactC2 normally closed, start key contacts STC, wire 209, switch RS3, wire209, wire 2I0, stop key contacts SPC, contacts I43 and wire 2 to line2!. The energized motor relay magnet MRM closes contacts MR and operatesthe motor M through wires 299 through wire 296, magnet MRM, wire 291,magnet MI, contacts IA, wire 2I5, contacts C9 closed until near end ofcycle, and wire 2I9 to line 20L The clutch magnet circuit runs from line290 through punch clutch magnet PCM, wire 2", wire 2I8, switch RSI atoff, upper contacts 6A, wire 2I9, contacts IB, wire 220, contacts Cl andwire 22I to line 20l. Through the clutch connection thus made, the punchpicker is operated to feed the master card out of the hopper and betweenthe punch and die at the punching station. During this first card cycle,the card operates the die card lever DCL and closes contacts DCI whichin turn close a circuit from line 290 through magnets M2 and M3, wire222, contacts DCI and wire 223 to line 20I.

The energized magnet M2 then closes contacts 23 and provides anotherholding circuit through magnets MRM and MI to hold the same energlzedwhile contact C3 is opened. This circuit may be followed from line 200through wire 296, magnet MRM, wire 201, magnet MI, contacts IA, contacts23, contacts 4B already closed by magnet M4, wire 224, switch RS2, wire2I0, contacts SPC, contacts I43 and wire 2| I to line 20I. Then themotor M will keep running and cards will be fed from the hopper P aslong as they are present or until the stop key SP is depressed.

During the second card feeding cycle, which takes place automatically,the master'card passes between the die and punches over to the sensingstation at the same time that the first blank card immediately followingthe master card is moving from the hopper P to the punching station.Next, the punch card lever PCL is operated and contact PCI is closedcompleting a circuit from line 29I through the impulse distributorcontacts CI5 which are closed to sense each index point position,through contacts PCI, wire 225, contacts PI closed throughout punching,common brush 226, common contact roller 221, sensing brushes I9, socketsJ I, plug wires (not shown) to sockets J4, through the punch controlmagnets PM, common bar 228, contacts I23 and line 209. The master cardis moving in synchronism with the blank card, the former going under thebrushes I9 and the latter under punches controlled by magnets PM. Allthe holes, 9 to I2 inclusive, punched in the master card will be punchedin the blank card if the related columns are connected by plug wires.

The newly punched card is fed in turn from the punching station to thesensing station as a second blank card is fed through the punchingstation. Thus the newly -punched. card acts as a master card to controlthe punching of the second blank card, and the second card controls thepunching of the third, etc., until all of the blank cards are gangpunched.

If more than one group of cards, and more than one master card, areplaced in the punch hopper P at one time, it is necessary to have theinterspersed master cards punched with a special perforation at the 11index point position in some predetermined column and the punch mastercard brush i1 adjustably set to sense that column. Then the punch mastercard switch PMS should be set to the on position. This is done to effectcontrols to prevent the punching of an interspersed master card undercontrol of the last card of. the previous group. As the master cardfeeds into the punch station, the brush I1 is permitted to close acircuit early in the cycle and thereby energize control magnet MI9through the following connections: line 20I,

wine 223, contacts C5 closed as the special perforation position issensed, wire 230, contact bar 23I and the connected bar 232, brush II,switch PMS, contacts 3A closed when a card is in the punching station,wire 233, magnet MIO, magnet MI I, bar 234 and wire 235 to line 200. Theenergized magnet MI 0 closes contacts MA to establish a holding circuitand operates contacts I013 to set up another circuit. The holdingcircuit may be traced from line 200 through wire 235, bar 234, magnetsMII and MIO, contacts IIIA, wire 236, contacts P2 held closed until thenext cycle, and wire 231 to line 20I. Thus, the magnet MII is energizedand held in such a condition which enables it to open contacts IIA anddeenergize the reproducing feed clutch magnet RCM.

This is done to prevent feeding of a pattern card with a master cardduring combined gang punching and reproducing as described more fullyhereinafter. The other circuit through contacts I 03 may be followedfrom line 200, wire 235, bar 234, magnet MI2, wire 238, contacts IOB,wire 239, contacts C'I closed early in the cycle, wire 240 and wire 229to line 20I. The energized magnet MI2 opens contacts I2B to preventpunching, and closes contacts I2A to establish a holding circuit whichmay be traced through line 200, wire 235, bar 234, magnet MI2, contactsI2A, wire 24I, contacts P3 held closed during the punching cycle, wire242 and wire 231 to line 20I. The magnet MI2 is held energized and thecontacts I2B are held open preventing any impulses from passing throughmagnets PM and preventing the punching of an incoming master card withthe data on the last card of the outgoing group.

This same special perforation control which is described hereinbefore asdisabling punching of a master card and feeding of a pattern card, mayalso be used for field selection control in selecting a field of data onthe master card to be duplicated in a certain other field on the blankcards.

In other words, the data on the master card may be shifted or eliminatedin transference to the record cards, according to the presence orabsence of the special perforation. The circuit for this controlinvolves the use of the wiring including contacts I2A which are closedwhen the master card brush I'I senses a special perforation as explainedhereinbefore.

The control also involves the use of a class control magnet MIG, aplurality of class selection magnets CSM and sets of contacts 243, 244controlled thereby, the number used depending on the number of columnsof data over which control is desired. The brush I1 senses a specialperforation in the master card just prior to the time the card entersthe die station. Therefore, it is necessary to hold the class selectionmagnets CSM energized until the card has passed beyond the brushes I9.This is accomplished by establishing another holding circuit through amagnet MI5 before the magnet MI 2 is deenergized. Then MI5 holds themagnets CSM energized as the master card is analyzed.

The magnet MI 6 is wired in parallel with magnet MI 2 and in series withthe control wires as is .seen by tracing from line 200, wire 235, bar234, magnet MIG, wire 544, socket J IS, a plug wire to socket J H, wire245, contacts I2A, wire 24I, contacts P3 and wires 242 and 231 to line20I. The energized magnet MIG closes contacts ISA to prepare MI5 for aholding circuit on the following cycle as the master card passes underthe sensing brushes I9. The contacts C8 close before P3 breaks thussetting up relay MI5. The circuit including contacts "A may be followedfrom line 200, wire 233, bar 234, magnet MI5, wire 240, contacts ISA,wire 2", contacts C0 and wire 229 to line 20f. Then a holding circuitfor magnet MI 5 is established through contacts I5A, wire 243, contactsP4 and wire 231 to line I. The circuit is held through contacts P4 untilthe master card passes beyond brushes I9. Other contacts I5B are closedby magnet MI5 and serve to energize the class selection magnets CSM. Thecircuit through these magnets may be traced from line 200, through wire543, wire 249, magnets CSM, socket J I9, plug wire to J20, contactsI513, wire 250, wire 239, contacts 01 and wires 240, 229 to line 20I.The circuit through the magnets is held until the contacts P4 are openedand the contacts I5B follow when magnet MI5 is deenergized.

Each magnet CSM cooperates with a set of class selection contacts 243,244, and if a special perforation is sensed, contact 244 is opened andcontact 243 closed.

The contacts 243, 244 are connected between the sensing brushes I9 andthe punch magnets PM. The common contact is connected through socket J9and a plug wire to socket J4 in line with one of the punch magnets PM.The contact 244 is connected in line by a plug wire from socket J'I tosocket J I in line with a brush I9 related to the punching magnet PMwired to socket J4. The other contact 243 is wired through socket J3 tosocket J IB which is in line with a brush I9 that cooperates with aspecial field on the master card that is sensed effectively only on theappearance of a special perforation in the master card. With theconnections made as outlined, should no special perforation be sensed,the impulse from brush I9 is directed straight through socket JI,contacts 244, socket J9 and over to socket J4. Should a specialperforation be sensed the contact 243 is shifted closed for two cardcycles as explained hereinbefore and the impulses from the brush I9 in aspecial field are directed through socket J IB, socket J8, contacts 243,socket J9 and over to socket J4. After the master card passes thesensing brushes I9, the contacts 244 are again allowed to close toduplicate the selected data from the first punched record card to thefollowing cards.

If the machine is to be used straight card for card reproducing all theswitches RSI, RS2 and RS3 are thrown to the on position, blank cards areinserted in the feed hopper P and the original or pattern cards areplaced in the hopper R. The cards in hoppers P and R operate therespective hopper levers PHL and RHL, closing contacts PHC and EKG, andenergizing magnets M4 and M5. Magnet M5 is connected in line withcontacts RHC by connections from bar 203, magnet M5, wire 252, contactsRHC and wire 253 to line 20I. When the start key ST is depressed, acircuit may be traced from line 200, wire 20B, magnet MRM, wire 20'I,magnet Ml, contacts C2, contacts STC, lower contacts 4A, lower contacts5A, wire 254, contacts SPC, contacts I43 and wire 2 to line 2III. MagnetMRM closes contacts MRC and the motor M is energized. If cards had notbeen placed in either hopper, contacts 4A or 5A would not have closed,and the machine could not be started. The starting circuit is heldthrough contacts IA and contacts C3.

Contacts IB are closed and when contacts CI close, a circuit may betraced from line 20I, wire 22I, contacts CI, wire 220, contacts IE,

reproducing clutch magnet RCM to line 299.

Thus both the card feed clutch magnets RCM and PCM are energized causingthe first pattern card in the R hopper and the first blank card in the Phopper to feed to the reproducing sensing station and to the punchingdie station respectively. At the mid-point of this feeding cycle, thepattern card operates the card lever RCLI andthe record cardactuateslever DCL, closing contacts RCI and DCI, respectively, and energizingmagnets M2, M3, M6 and MI. Magnets M6 and M1 are connected in serieswith contacts RCI by wires 25 and 256.

Before the contacts C3 open during the first feed cycle, another holdingcircuit is established through contacts operated by magnets M2, M6, M4and M5. The circuit runs from line 29!), wire 296, magnet MRM, wire 291,magnet MI, contacts iA, contacts 23, contacts 43, contacts 53, contacts6B, contacts SPC, contacts 14B and wire 2 to line 29L Thereby themagnets MRM and MI are maintained energized, the motor runs and the cardfeed clutches operate until the cards are all out of a hopper, or theyfail to feed therefrom, or the stop key is depressed.

The other contacts 2A and 6A controlled by magnets M2 and M6 areoperated so that the current for the punch clutch magnet PCM goesthrough wire 251 and lower contact 6A, and the other clutch magnet RCMis held energized through wire 258 and lower contact 2A.

As an indication to the operator that the cards are not feedingproperly, the machine will stop if either the die card lever contact DCIor the reproducer card lever contact RCI is opened by failure in thefeeding of either card. However, the motor M may be started when thestart key ST is depressed, and only the feed clutch in the hopper fromwhich a card failed to feed will operate until both sets of cards areagain brought into concurrent feeding relationship. For example, if ablank card failed to feed from the hopper P, the die card lever contactsDCI will open causing magnet M2 to be deenergized, releasing contacts 2Aand preventing the reproducer clutch magnet RCM from being energizedtherethrough, but allowing magnet PCM to be energized through wire 2 I!and upper contact 2A.

The connections to magnet RCM are opened at lower contact 2A and atupper contact 6A. The clutch magnet PCM is energized alone on each cycleuntil a blank card is fed from the hopper P into the punch and diestation.

When the cards are feeding properly in reproducing, the pattern card issensed under the brushes IS in synchronism with the passage of a recordcard under the punches controlled by magnets PM. The magnets arecontrolled by impulses from the brushes over circuits such as the onerunning from line 29l, through the impulse distributor contact Cl5, wire259, contacts RC2 closed by the reproducer sennng station card leverRCL2, wire 269, contacts RI closed during a reproducing cycle, commonbrush 26f, contact roller 262, sensing brush l5, socket J2 and a plugwire to socket J4, magnet PM, bar 228 and contacts I2B to line 209. Anynumber of the column sensing sockets may be plugged to any of thepunching sockets in this way for the control of reproduced punching.

Class selection, elimination or field selection control may be exercisedin transferring the data 2,082,806 upper contact 2A,'wire 2| 1, magnetPOM, to line to be'reproduced from one field on the original card to aselected field on the blank card or from one of two fields on theoriginal card to the blank card. The control may be effected by aspecial perforation in either the otherwise blank cards or theperforated original cards. The socket J l9 may be plugged to Jll or Ji8.If, for example, it is desired to select class control from X holes inthe original or pattern cards, the switch EMS is closed at "on and thereproducer pattern card 10 brush I4 is made effective by plugging from Jl8 to J I9.

Then when a special perforation appears, a circuit may be traced fromline 20l, contacts C5,

wire 230, contact bar 23I, brush l4 adjustable to any column, switchRMS, contacts (A closed by -M! when a card operates card lever RCL, wire263,

magnet M8, bar 234 and wire 235 to line 290. The energized magnet M8closes contacts 8A to establish a holding circuit and operates contacts8B to set up another circuit. The holding circuit is from. line 209,wire 235, bar 234, magnet M8, contacts 8A, wire 264, contacts R2, wire265 and wire 266 to line 2!. The other circuit is from line 209, wire235, magnet M9, wire 261, 25

contacts 83, wire 268, contacts C6 and wire 229 to line 2!". Thisenergization of magnet M9 is made early in the pattern card sensing by acircuit through the magnet and associated contacts 9A, wire 269,contacts R3 and wire 266 to line 20!.

The energization of the class selection magnets CSM is brought aboutimmediately when the brush l4 senses a special perforation. The circuitis held by the closing of the associated contacts SMC and contact P3until the comple- 5 tion of that reading cycle.

The magnets CSM cooperate with a number of contact switches 243, 244 asalready explained, but in the the present instance, when used forclassifying reproduced data, the contacts are connected between brushesI5 and punch magnets PM. For class selection control the socket J9 isconnected to socket J2 by a plug wire. And socket J! is connected tosocket J4A while socket J8 is wired to socket J4B. For class eliminationof punching, either J! or J8 is disconnected. For field selection, J9 iswired to J4 while J! is connected to J2A and J8 is connected to J2B. Anynumber of sets of contacts may be so wired to get class selectioncontrol over a plurality of card columns.

Other controls are provided for punching at the zero index point of thecard in any column or columns. If it is desired to expand the field ofdata on a new record card, or to punch zero in one or more columns onthe card, the corresponding sockets J4 are connected to sockets J23 byplug wires. Then a circuit may be traced from line 2!, impulse contactsCi5, contacts C4 closed at the zero index point, contacts 33 closed whena card is under the punches, wire 210, socket J 23, plug wire to socketJ4, magnet PM, bar 228, contacts I21) and line 209. Other contacts suchas C4 may be provided and timed to close at any index point to punchcorresponding holes in the record cards.

As explained hereinbefore, the class selection contacts may be wired toget class selection control with any contacts such as contacts C4. The

then zero perforations would be produced under aoaaeos class selectioncontrol by the special perforations in the original cards.

A control in punching may be effected to separatethedatainthesamecolumnonacard. The readings of the special x or R perforations atthe 11 and 12 index positions on the card may be directed diiferentlyfrom the readings of the regular numeral data at the -9 index positionsin the same column. For this purpose cam CI8 operates between contacts2H and 212 so that contact 21I is opened after the 11 index position ispassed and therefore contact 212 closes before the 0 index point issensed. The socket JI leading from the common contact may be connectedby plug wire either to socket J I or socket J2 in the gang punch sensingand reproducing sensing stations respectivehr. Then with socket J I3connected to socket J4A the special perforations X or R will beperforated in that column, and with socket J I4 connected to socket J4Bthe regular numeral data will go into the associated column. Any numberof such contacts may be employed and the connections may be made fromany selected columns to any other columns. The disconnection of the plugwire from socket J I3 or JI4 eliminates the associated portion of thedata.

Checking devices are provided for checking the perforations in the newlypunched record card with the perforations in the original or patterncard. This feature is used to check the reproduced data. An extrasensing station comprising brushes I6 is used to sense the pattern cardsas they pass from the reproducing punch control station comprisingbrushes I5. The other record cards are sensed by the same brushes I 9which are used in gang punching. They sense the newly punched recordcards as they pass from the punching station.

The checking control magnets such as magnets CHMI and CHM2 are connectedbetween related columns of brushes I6 and I8. These magnets are in theform of due circuit relays each consisting of two coils wound in such away that the polarity is the same on both ends of the core. One coil isconnected to the sensing brush I9 and the other coil is connected tobrush I6. There is one such magnet for each column to be checked.

As a newly punched record card is passing from the punching stationthrough the sensing brushes I8, the associated pattern card passes fromthe reproducing sensing station to the checking sensing station withbrushes I5. The checking card lever CHCL is operated by the patterncard, closing contacts CH0 and energizing magnet MI3 through wires 218,219. If the perforations in both agree and coincide, parallel circuitsmay be traced from line 28I, impulse contacts CI5, card lever contactsPCI, wire 225, contacts PI, common brush 228, roller 221, brush I8,socket JI and a plug wire to socket J5A, wire 213, then through one coilof magnet CHMI, contacts I3B to line 288.

The other parallel circuit is from line 28I, contacts CI5, wire 259,wire 218, contacts I3A, wire 211, contacts P5, common brush 288, roller28I, brush I8, socket J3, plug wire to socket JGA, wire 215, through theother coil of magnet CHMI, bar 214 and through contacts I3B to line 288.Thus the magnetizing effect of each coil is neutraliud by the currentflow through the other coil and the armature and associated contactsCrICI of the relay are not picked up.

If a perforation in one card does not appear simultaneous with aperforation in the other card,

L is lighted and continues to give there is an error in punching andonly one coil of relay magnet CHMI is energized. This disturbs thebalance of the relay and the associated contacts CHCI are closed settingup a control circuit. The .circuit may be traced from line 28I. throughwire 381, contacts C8, wire 282, contacts CHCI or similar parallelcontacts, wire 283, magnet MI4 and wires 284, 285 to line 288. A lamp avisible-indication of an error as long as magnet MI4 is energized. Themagnet MM establishes a holding circuit through associated contacts A.The circuit may be traced from line 288 through wires 285, 284, magnetMI4, contacts I 4A, wire 286, contacts RC and wire 281 to the line 28!.The checking holding circuit may be opened by the operator by depressingthe non check reset key NCR to actuate contacts RC.

The magnet MI4 not only serves to hold the lamp L lit, but also acts tostop the machine. The contacts B in series with the stop key contactsSPC are opened when magnet MI4 is energized. The machine cannot bestarted again until the non-check reset key NCR is depressed,deenergizing magnet MI4 and putting out the light in lamp L. Theoperator may then depress the start key ST for one cycle, feed the cardsto the stackers and then extract them to make whatever corrections arenecessary.

The checking circuits may be arranged to check the class selectedperforations that are made while reproducing. The class selection ofpunching is accomplished on one cycle and on the following cycle thechecking magnets areeiiective to check the class selected data. Theclass control magnet MI Ii is operated as already explained, now beingwired to the socket J I8 and controlled by brush I4. The class selectionmagnets CSM also serve to shift contacts 243, 244 as explained. Otherchecking control magnets CHM are provided and controlled similar to themanner of operating magnets CSM, there being an additional connectionmade to plug socket J22 from socket J2I. During the cycle that themagnet MIG is energized because of a special perforation, cam contactsC8 close completing a circuit through magnet MI5. This magnet is heldenergized during the punching cycle, and in turn closes contacts I 53and energizes the checking magnets CHM by a circuit from line 288, wire543, wire 248, magnets CHM, socket J2I and plug wire to socket J22, bar288, contacts I5B, wire 258, wire 238, contacts C1, wires 248 and 229 toline 28I. The circuit is held throughout the checking cycle by theclosing of the holding contacts CHC and the machine operated contactsP3.

The circuit may be traced from line 288, wire 543, wire 249, magnet CHM,contacts CHC, wires 289, 25I and 2, contacts P3 and wires 242, 231 toline 28I. Each magnet CHM is associated with a set of class selectioncontacts 288, 28I which are attached to plug sockets J I8, J II and JI2. These class checking contacts are connected in serieswith thechecking sensing brushes I 6 and I 8 at thesame time that the otherclass selection contacts 243, 244 are connected in series with the punchcontrolling brushes I5 and punch magnets PM. The checking series circuitincludes the checking magnets CHMI, CHM2, etc., as many of these magnetsbeing provided as there are columns of data to be checked. As an exampleof wiring connection to be made for checking class selection reproducedinformation, the socket J I2 may be connected to socket J I socket J I 8is plugged to J5A and J I I is attached to J5B, and JGA is wired to J3Awhile J6B is wired to J33. With these connections, the field of dataselectively punched by the energization of magnet CSM, is alsoselectively checked by the energization of magnet CHM, the closing ofcontact 290, and the selective effectiveness of magnet CHM2. If theclass selected perforated data on the record card fails to agree-withthe data on the original pattern card, the machine is. stopped and thelamp is lighted.

Connections may be made in the machine for the performance of combinedgang punching and reproducing of data on record cards. For such work,connections are made from gang punch control brushes I9 to certain ofthe magnets PM, while connections are made from the reproducing punchcontrol brushes l5 to others of the punch magnets PM.

Several groups of blank cards with master cards may be placed in thehopper P at the same time that a set of pattern cards are placed in thehopper R.

It is not necessary to place blank cards in with the pattern cards tocorrespond with the master cards during concurrent feeding. Controls areprovided to hold up the feeding of the pattern cards while a master cardpasses from the other hopper. This is controlled by the brush I! whichsenses aspecial perforation denoting a master card. The magnet M is thenenergized as already explained. The contacts HA in series with thereproducing clutch magnet RCM are opened by the magnet M to disable thefeeding of the pattern cards for one cycle. In other words, when amaster card is encountered at the brush ll of the die station, thereproducer feed is held up for one cycle to allow the master card toproceed to the sensing brushes l9. Then all three cards are fed, theblank card receiving gang punch data from the preceding card andreproduced data from the concurrently fed pattern card. The reproducedportion of the data may be checked with the original.

While there has been shown and described and pointed out the fundamentalnovel features of the invention as applied to a single modification, itwill be understood that various omissions and substitutions and changesin the form and details of the device illustrated and in its operationmay be made by those skilled in the art without departing from thespirit of the invention. It is the intention therefore to be limitedonly as indicated by the scope of the following claims.

What is claimed is:

1. In a machine for reproducing a set of perforated record cards undercontrol of a set of pattern cards, card feeding means for feeding cardsfrom both sets in synchronism comprising Geneva drive gearing forfeeding the record cards with intermittent movement, means for sensingthe pattern cards, perforating devices, and means under control of thesensing devices for operating the perforating devices to punch therecord cards to correspond with the pattern cards.

2. In a machine for reproducing a set of perforated record cards undercontrol of a set of patern cards, a line of punches, a line of sensingbrushes, means for feeding the pattern cards comprising Geneva drivegearing for feeding the record cards in synchronism with the patterncards and with movement transverse .to the lines of punches and brushesrespectively, interposer pawls connected to said punches and selected bymagnets controlled by said sensing brushes, an actuator for operatingselected pawls and connected punches, and an eccentric on said Genevagearing for operating said actuator during each intermittent pause incard feeding.

3. In a card punching mechanism, a punch actuator, a punch plunger, aninterposer pawl mounted on said plunger and adapted to be selectivelyurged into cooperation with said actuator, means for selecting saidpawl, a pair of fixed bars in said mechanism, a cam face on said pawlcooperating with one of said bars to hold the pawl in engagement withsaid actuator, and another cam face on said pawl cooperating with theother of said bars to disengage the pawl from the actuator.

4. In a machine for gang punching a group of record cards under controlof a master card, a line of punches each being correlated with a columnof a record card and each adapted to perforate in any one of a pluralityof positions in a card column, sensing means adapted to cooperate withthe cards, means comprising Geneva drive gearing for feeding the cardssuccessively, first past the punches and then past the sensing means,the master card leading and the other cards following with synchronizedand intermittent movement, and means under control of said sensing meansfor operating said punches so that each card is perforated to correspondwith the preceding card.

5. In a machine for gang punching groups of record cards under controlof interspersed master cards, perforating devices, card sensing devices,means for feeding the cards successively with a synchonized andintermittent movement, first past the perforating devices and then pastthe sensing devices, means for operating said perforating devices undercontrol of said sensing devices so that each card is perforated with thedata sensed on the preceding card, and means under control of a specialperforation in a master card for disabling said perforating devices assaid master card passes said perforating devices.

6. In a machine for gang punching a group of blank record cards undercontrol of a master card, a punching station, a sensing station, a cardfeeding means, devices for controlling the feeding means to feed themaster card through the punching station, perforating devices at thepunching station, means for disabling said devices as the master cardpasses, and sensing devices at said sensing station for analyzing themaster card and controlling said perforating devices to punch the firstrecord card to correspond with the preceding master card, the punchingoperation continuing as the blank cards follow in succession.

7. In a machine for gang punching and reproducing a group of perforatedrecord cards under control of a master card and a set of pattern cards,perforating devices, means for sensing said master card and said recordcards, means for feeding the record cards in succession first past theperforating devices and then past the sensing means, the master cardleading and the record cards following with a synchronized andintermittent movement, means under control of the sensing means foroperating said perforating devices to perforate each record cardaccording to the data on the card preceding it, other means for sensingsaid pattern cards, other feeding means connected to said firstmentioned feeding means for feeding said pattern cards in successionpast said other sensing means in synchronism with the movement of saidrecord devices to perforate each record card with data corresponding tothe data on a pattern card.

8. In a machine for gang punching and reprosaid perforating devices toperforate each record card according to the data on the card precedingit, means under control of a special perforation in a master card fordisabling said perforating devices as said master card passes saidperforating devices, other means for sensing said pattern cards, otherfeeding means connected to said first mentioned feeding means forfeeding said pattern cards in succession past said other sensing meansin synchronism with the movement of said record cards, means undercontrol of said other sensing means for operating said perforatingdevices to perforate each record card with data corresponding to thedata on a pattern card, and means under control of a special perforationin a master card for disabling said other feeding means while the mastercard is passing under said perforating devices.

9. In a machine for reproducing a set of perforated record cards undercontrol of a set of pattern cards having data in a plurality of fields,means for sensing the pattern cards, means for perforating the recordcards, means for feeding cards in synchronism, the pattern cardscooperating with sensing meansand the record cards cooperating with theperforating devices, means under control of a special perforation ineach pattern card for selecting the field of data on the pattern card tocontrol the perforation of a corresponding record card, and means undercontrol of the sensing devices in the selected field for operating saidperforating devices to punch a record card to correspond with the dataon the pattern card.

10. In a machine for reproducing perforated record cards under controlof pattern cards, means for sensing the pattern cards, means forperforating the record cards in a pair of fields, means for feeding thecards in synchronism, the pattern cards past the sensing means and therecord cards past the perforating devices, connections from said sensingmeans to either of the fields of perforating devices, means undercontrol of a special perforation in a pattern card for selecting theperforating field to be connected to said sensing means, and means undercontrol of the sensing devices for operating the perforating devices inthe selected field to punch the record card to correspond with the dataon the pattern card.

11. In a machine for reproducing a set of record cards under control ofpattern cards, means for sensing the pattern cards, means forperforating the record cards, means for feeding the cards in synchronismwith the pattern cards passing the sensing means and the record cardspassing the perforating devices, connections between the sensing meansand the perforating devices, means under control of a specialperforation in a pattern card for disabling said connections, and meansunder control of the sensing devices for operating the perforateddevices when connected thereto to punch record cards to correspond withoertain of the pattern cards.

12. In a machine for gang punching a group of record cards under controlof a master card, perforating devices, card sensing devices for sensinga pair of fields on the cards, means for feeding cards in succession,first past the perforating devices and then past the sensing devices,the master card leading and the record cards following with asynchronized and intermittent movement, means under control of a specialperforation in said master card for selecting the sensing devices ineither of the fields for control over said perforating devices, andmeans for operating said perforating devices under control of saidselected sensing devices so that all the cards are perforated with thedata selected from the field on the master card.

13. In a machine for gang punching and reproducing a group of perforatedrecord cards under control'of a master card and a set of pattern cards,perforating devices adapted to perforate said record cards, means forsensing a pair of fields on said master card and said record cards,means for feeding the record cards in succession first past theperforating devices and then past the sensing means, the master cardleading and the record cards following with a synchronized movement,means under control of a special perforation in said master card forselectively connecting either of said fields of the sensing means to theperforating devices, means under control of the selected sensing meansfor operating said perforating devices to perforate each record cardaccording to the selected data on the preceding card, other means forsensing a field on said pattern cards, other feeding means connected tosaid first mentioned feeding means for moving said pattern cards insuccession past said other sensing means in synchronlsm with themovement of said record cards, other perforating devices adapted toperforate either of two fields on the record cards, means under controlof a special perforation in said pattern cards for selectivelyconnecting said other sensing means with either field of said otherperforating devices. and means under control of said other sensing meansfor operating the selected perforating devices to perforate each recordcard with the selected data corresponding to the data on a relatedpattern card.

14. In a machine for gang punching and reproducing a group of perforatedrecord cards under control of a master card and a set of pattern cards,perforating devices adapted to perforate saidrecord cards, sensingdevices cooperating with said record cards and a pair of fields on saidmaster card, means for feeding the cards in succession, first past theperforating devices then past the sensing devices, the master cardleading and the record cards following in synchronism, means undercontrol of a special perforation in said master card for selectivelyconnecting either field of the sensing devices with said perforatingdevices, means under control of the selected sensing devices foroperating the perforating devices to punch each record card according tothe selectcd data on the card preceding it, other means for sensing apair of fields on said pattern cards, other feeding means connected tosaid first mentioned feeding means for moving said pattern cards insuccession past said other sensing meansin synchronism with the movementof said record cards, means under control of special perforations insaid pattern cards for selectively connecting either field of said othersensing means to said perforating devices, and means under control ofthe selected sensing means for operating the perforating devices topunch each. record card .with data corresponding to the selected data onthe related pattern card.

15. In a machine for reproducing a perforated record card under controlof a perforated pattern card, said pattern card having a specialperforation and another perforation in the regular data index positionsin the same column, a device for sensing the perforations in saidpattern card, a plurality of perforating devices for punching in aplurality of columns on said record card, means for feeding the recordcard and the pattern card in synchronism past the perforating devicesand said sensing means respectively, a connection from any of saidperforating devices to said sensing device, said connection beingmaintained as the special perforation is sensed, other connections fromany of said perforating devices to said sensing device, said otherconnections being maintained as the regular data index positions aresensed, selective means for disconnecting either of said connectionsfrom the perforating devices, and means under control of the sensingmeans for operating the connected perforating devices to punch therecord card with data corresponding to the selected data on the patterncard. i

16. In a machine for reproducing a set of perforated record cards undercontrol of a set of perforated pattern cards, means for sensing thepattern cards, means for. perforating the record cards, a second sensingmeans for cooperating with said pattern cards, and a third sensing meanscooperating with said record cards, means for feeding the cards singlyfrom both sets in synchronism, a record card passing first under theperforating means as the related pattern card passes the first mentionedsensing means, and then the record card passes said. third sensing meansas the pattern card passes said second sensing means, means undercontrol of the first mentioned sensing means for operating theperforating means to punch the record cards to correspond with thepattern cards, an indicating device, and checking devices connectedbetween said second and said third sensing means and operative todisable said feeding means and operate said indicating device when theperforations on the record card and related pattern card do notcoincide.

17. In a machine for checking perforated neproduced record cards withperforated pattern cards, means for sensing the pattern cards, devicesfor sensing two fields of data on said record cards, means for feedingthe cards in synchronism, the pattern cards past the sensing means andthe record cards past the sensing devices, connections from said sensingmeans to either of the two fields of sensing devices, means undercontrol of the pattern card for selecting the field of devices to beconnected to said sensing means, and means under control of theconnected sensing means and devices for disabling said feeding meanswhen the perforations in a pattern card and in a selected field on arecord card fail to agree.

18. In a machine for reproducing a set of record cards under control ofa set of pattern cards, separate means for feeding cards from both sets,means for sensing the data on the pattern cards, means under control ofsaid sensing means for perforating the blank record cards to correspondto the related pattern cards, devices for stopping the machine if eitherfeeding means fails to feed a card, a start key, and means under controlof the start key for automatically operating the particular feedingmeans in which failure occurred until a card is fed.

19. In a card feeding and punching device, a series of punches, meansfor operating said punches, a Geneva gear, means for operating the gear,card feeding rollers operated under control of said Geneva gear to feedthe cards under the punches, a clutch between said gear and saidrollers, a card picker mechanism operated under control of saidoperating means, another clutch between said mechanism and said means,and a releasing means for operating the first mentioned clutch undercontrol of the second mentioned clutch.

20. In a machine for gang punching perforated record cards in groups,perforating devices, means for feeding the cards to cooperate with theperforating devices, means for setting up data to control theperforating devices to perforate the first group of cards, and means foroperatingsaid data setting up means automatically between groups tocontrol the perforating devices to perforate following groups of cards.

21. In a machine for gang punching perforated record cards in groupsunder control of interspersed master cards, perforating devices, cardsensing devices, means for feeding the cards successively to cooperatewith the perforating and sensing devices with a master card leading anassociated group of cards, means for operating said perforating devicesunder control of said sensing devices so that each card of a group isperforated with data on the related master card, and means under controlof the master cards for changing the perforation control data betweengroups.

22. In a machine for reproducing record cards under control of patterncards having columns of index points with perforations at one or aplurality of points along each column, means for sensing the columns ofthe pattern cards, means for feeding the cards in the direction of thelength of the columns of index points, and perforating devices undercontrol of the sensing means and cooperating with the cards to bereproduced to perforate them at one point or a plurality of points alongeach column to correspond to the associated pattern card.

23. In a machine for gang punching groups of record cards under controlof master cards having columns of index points with perforations at oneor a plurality of points along each column, means for sensing thecolumns of perforations in the master cards, means for feeding the cardsin the direction of the length of the columns of index points, a mastercard leading and an associated group of cards following in succession,and perforating devices under control of the sensing means andcooperating successively with all cards of the group to perforate themat one point or a plurality of points along each column to correspond tothe related master card.

24. In a machine for reproducing perforated record cards under controlof pattern cards and master cards, means for sensing the pattern cards,perforating devices, means under control of said sensing means foroperating said perforating devices to perforate reproduced record cardsin certain fields, means for sensing each master card for an initialreading and sensing associated record cards for an automatic repetitionof said reading, means under control of the last mentioned senslng meansfor operating said perforating means to perforate said record cards inother fields.

25. In a card reproducing machine with a set of pattern cards and groupsof blank cards with interspersed master cards, means for sensing thepattern cards, means under control of said sensing means for reproducingthe data on said pattern cards on said blank cards, other means forsensing said master cards, and means under control of said other meansfor reproducing the data on each master card on the associated group ofblank cards.

26. In a machine for reproducing perforated record cards under controlof pattern cards, means for sensing a pattern card, means under controlof said sensing means for perforating a card, means for perforatingextra zero perforations in said perforated card, and means under controlof a special perforation in said pattern card for controlling theoperation of said zero perforating means.

27. In a machine for producing perforated record cards under control ofpattern cards, perforating devices for said record cards, electricalcontacts for controlling said perforating devices and adapted to makesaid devices effective at certain index points on the record cards,connections between said contacts and said devices, and means undercontrol of said pattern cards for operating said connections toperforate selectively certain of said record cards under control of saidcontacts.

28. In a machine for checking perforated reproduced record cards withperforated pattern cards, means for perforating the record cards undercontrol of the pattern cards, a sensing means cooperating with only therecord cards, another sensing means cooperating with only the patterncards, means for feeding the record cards successively through the firstmentioned sensing means, means for feeding the pattern cards insuccession through the second mentioned sensing means in synchronismwith the feeding of the record cards, related record and pattern cardsbeing sensed at the same time, connections between said sensing devicesfor operating when the perforations in the cards fail to coincide, andmeans under control of said connections for indicating when a relatedpair of cards fail to coincide.

CLAIR D. LAKE.

